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The surge was assumed by authorities to be "late-season flu" (which usually coincides with a mild Influenzavirus B peak [19]) until April 21, [20] [21] when a CDC alert concerning two isolated cases of a novel swine flu was reported in the media (see 2009 swine flu outbreak in the United States). [22]
Children infected in the 2009 H1N1 flu pandemic were no more likely to be hospitalized with complications or get pneumonia than those who catch seasonal strains. About 1.5% of children with the H1N1 swine flu strain were hospitalized within 30 days, compared with 3.7% of those sick with a seasonal strain of H1N1 and 3.1% with an H3N2 virus. [198]
The pandemic H1N1/09 virus is a swine origin influenza A virus subtype H1N1 strain that was responsible for the 2009 swine flu pandemic. This strain is often called swine flu by the public media due to the prevailing belief that it originated in pigs. The virus is believed to have originated around September 2008 in central Mexico.
The 2009 flu pandemic in South America was part of a global epidemic in 2009 of a new strain of influenza A virus subtype H1N1, causing what has been commonly called swine flu. As of 9 June 2009, the virus had affected at least 2,000 people in South America, with at least 4 confirmed deaths. On 3 May 2009, the first case of the flu in South ...
As the swine flu epidemic has moved from Mexico to Canada, the United States, New Zealand, and Spain, global financial markets are already feeling the effects of the outbreak. In the United ...
2009 A(H1N1) Outbreak and Pandemic Milestones in North America 17 March: First case in the world of what would later be identified as swine flu. 28 March First case in the US of what would later be identified as swine flu. 12 April First known death due to what would later be identified as swine flu. 25 April
Community outbreaks, June 2009 Confirmed cases by state, June 3, 2009. This article covers the chronology of the 2009 novel influenza A pandemic.Flag icons denote the first announcements of confirmed cases by the respective nation-states, their first deaths (and other major events such as their first intergenerational cases, cases of zoonosis, and the start of national vaccination campaigns ...
Even as the United States grapples with an outbreak of H5N1 flu in dairy cattle, the World Health Organization has announced the first known human infection with a different strain, H5N2, in a ...